1. FOR PERMANENT RESULTS: L'ORÉAL PARIS SUPERIOR PREFERENCE MOUSSE ABSOLUEShop for a product that combines pigments with a hydrogen peroxide-based developer; the chemical blend penetrates into the structural level and produces a hue that won't disappear until your next dye job. If applied sloppily and without gloves, the dye will stain your skin.

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2. FOR SEMI-PERMANENT RESULTS: CLAIROL NATURAL INSTICTS SEMI-PERMANENT HAIR COLOR Test-drive a shade that's two to three tones away from your natural color with a semipermanent blend, which can last through dozens of washes. Since these dyes coat only the surface, they're super-gentle, making them ideal for those with damaged or thinning hair.

5. FOR CORRECTING DYE MISHAPS: FEKKAI APPLE CIDER CLARIFYING SHAMPOO If you’ve left your hair dye on too long, Hit pause on your Scandal marathon and reach for a clarifying shampoo such as Fekkai's bottle. Apply it like a mask and allow the formula to sit for five to 10 minutes. "Since these shampoos are astringent, they can often strip away excess pigment," says N.Y.C. colorist André Viveiros.